surviving suspect dzhokhar tsarnaev fair condition after suffering gun shot wound with two shoot out with law enforcement. he may not have known about the plot week or so before the attack. and the 2 brothers never tested their bombs before putting them to use last week. >> now to the man who caught dzhokhar tsarnaev hiding in the boat. dave berry told reporter exclusively about what happened a week ago. here's the report. >> people say blood on the boa boat. saw blood and wept in. not true not true. >>reporter: word is you saw the boat. you pulled back the wrappings, you saw a body. it manufactured and you called 91 911. >> no. no. >>reporter: no. >> no. no. >>reporter: so he went to the garage and grabbed a step ladder. >> i got i think 3 steps up the ladder and i rolled it up any can sea through now the shrink wrap. didn't expect to see anything. and i look in the boat over here on the floor and i see blood. >>reporter: a lot of blood good. amount of blood. my eyes went to the other side of the engine box. engine box is in the middle. >>reporter: yes. >> there was a body. >>report